28318030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3652

約数の個数: 32

約数和(自身を含む): 55808928

約数和(自身を除く): 27490898

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3571, 3965, 7142, 7930, 17855, 35710, 46423, 92846, 217831, 232115, 435662, 464230, 1089155, 2178310, 2831803, 5663606, 14159015, 28318030]

約数ペア:

[(1, 28318030), (2, 14159015), (5, 5663606), (10, 2831803), (13, 2178310), (26, 1089155), (61, 464230), (65, 435662), (122, 232115), (130, 217831), (305, 92846), (610, 46423), (793, 35710), (1586, 17855), (3571, 7930), (3965, 7142)]